80805780550255 has 16 divisors (see below), whose sum is σ = 97806028276800. Its totient is φ = 64087575501312.

The previous prime is 80805780550207. The next prime is 80805780550283. The reversal of 80805780550255 is 55205508750808.

It is a cyclic number.

It is not a de Polignac number, because 80805780550255 - 2¹⁹ = 80805780025967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80805780550255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146316154 + ... + 146867383.

It is an arithmetic number, because the mean of its divisors is an integer number (6112876767300).

Almost surely, 2^{80805780550255} is an apocalyptic number.

80805780550255 is a deficient number, since it is larger than the sum of its proper divisors (17000247726545).

80805780550255 is a wasteful number, since it uses less digits than its factorization.

80805780550255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293184018.

The product of its (nonzero) digits is 22400000, while the sum is 58.

The spelling of 80805780550255 in words is "eighty trillion, eight hundred five billion, seven hundred eighty million, five hundred fifty thousand, two hundred fifty-five".